Words at Play : Monster of the Day
"The wyvern is essentially an English beast, and in olden times was much accredited and respected." Herbert Crest, writing in Collections Historical & Archaeological Relating to Montgomeryshire and its Borders, Vol. 24, 1890
Definition:
: a fabulous animal usually represented as a 2-legged winged creature resembling a dragon
Photo credit: Tory Novikova